Shift knob cover



FIG. 1 is a perspective elevational view of a shift knob cover showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4. is a right side elevation view thereof;

FIG. 5. is left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines present in the drawing disclosure define the bounds of the claim and form no part thereof. 

CLAIM The ornamental design for a shift knob cover, as shown and described. 